1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 27 /* 28 * mksh.cc 29 * 30 * Execute the command(s) of one Make or DMake rule 31 */ 32 33 /* 34 * Included files 35 */ 36 #include <mksh/dosys.h> /* redirect_io() */ 37 #include <mksh/misc.h> /* retmem() */ 38 #include <mksh/mksh.h> 39 #include <errno.h> 40 #include <signal.h> 41 42 43 /* 44 * Workaround for NFS bug. Sometimes, when running 'chdir' on a remote 45 * dmake server, it fails with "Stale NFS file handle" error. 46 * The second attempt seems to work. 47 */ 48 int 49 my_chdir(char * dir) { 50 int res = chdir(dir); 51 if (res != 0 && (errno == ESTALE || errno == EAGAIN)) { 52 /* Stale NFS file handle. Try again */ 53 res = chdir(dir); 54 } 55 return res; 56 } 57 58 59 /* 60 * File table of contents 61 */ 62 static void change_sunpro_dependencies_value(char *oldpath, char *newpath); 63 static void init_mksh_globals(char *shell); 64 static void set_env_vars(char *env_list[]); 65 66 67 static void 68 set_env_vars(char *env_list[]) 69 { 70 char **env_list_p; 71 72 for (env_list_p = env_list; 73 *env_list_p != (char *) NULL; 74 env_list_p++) { 75 putenv(*env_list_p); 76 } 77 } 78 79 static void 80 init_mksh_globals(char *shell) 81 { 82 /* 83 MBSTOWCS(wcs_buffer, "SHELL"); 84 shell_name = GETNAME(wcs_buffer, FIND_LENGTH); 85 MBSTOWCS(wcs_buffer, shell); 86 (void) SETVAR(shell_name, GETNAME(wcs_buffer, FIND_LENGTH), false); 87 */ 88 char * dmake_shell; 89 if ((dmake_shell = getenv("DMAKE_SHELL")) == NULL) { 90 dmake_shell = shell; 91 } 92 MBSTOWCS(wcs_buffer, dmake_shell); 93 shell_name = GETNAME(wcs_buffer, FIND_LENGTH); 94 } 95 96 /* 97 * Change the pathname in the value of the SUNPRO_DEPENDENCIES env variable 98 * from oldpath to newpath. 99 */ 100 static void 101 change_sunpro_dependencies_value(char *oldpath, char *newpath) 102 { 103 char buf[MAXPATHLEN]; 104 static char *env; 105 int length; 106 int oldpathlen; 107 char *sp_dep_value; 108 109 /* check if SUNPRO_DEPENDENCIES is set in the environment */ 110 if ((sp_dep_value = getenv("SUNPRO_DEPENDENCIES")) != NULL) { 111 oldpathlen = strlen(oldpath); 112 /* check if oldpath is indeed in the value of SUNPRO_DEPENDENCIES */ 113 if (strncmp(oldpath, sp_dep_value, oldpathlen) == 0) { 114 (void) sprintf(buf, 115 "%s%s", 116 newpath, 117 sp_dep_value + oldpathlen); 118 length = 2 + 119 strlen("SUNPRO_DEPENDENCIES") + 120 strlen(buf); 121 env = getmem(length); 122 (void) sprintf(env, 123 "%s=%s", 124 "SUNPRO_DEPENDENCIES", 125 buf); 126 (void) putenv(env); 127 } 128 } 129 } 130 131 132